Merge branch 'js/http-custom-headers'

HTTP transport clients learned to throw extra HTTP headers at the
server, specified via http.extraHeader configuration variable.

* js/http-custom-headers:
http: support sending custom HTTP headers

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 42d2b50477b2863c2d0d93b1e80d70cf85bc5451..c7bbe98ebae256de6163f97eeded0965bf1f5f80 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -1655,6 +1655,12 @@ http.emptyAuth::
        a username in the URL, as libcurl normally requires a username for
        authentication.
 
+http.extraHeader::
+       Pass an additional HTTP header when communicating with a server.  If
+       more than one such entry exists, all of them are added as extra
+       headers.  To allow overriding the settings inherited from the system
+       config, an empty value will reset the extra headers to the empty list.
+
 http.cookieFile::
        File containing previously stored cookie lines which should be used
        in the Git http session, if they match the server. The file format

diff --git a/http-push.c b/http-push.c
index bd60668707b956160edd9fb22767758023571ebb..ae2b7f19d2499d9043e3c73b74bc9aa274fc2653 100644 (file)
--- a/http-push.c
+++ b/http-push.c
@@ -211,7 +211,7 @@ static void curl_setup_http(CURL *curl, const char *url,
 static struct curl_slist *get_dav_token_headers(struct remote_lock *lock, enum dav_header_flag options)
 {
        struct strbuf buf = STRBUF_INIT;
-       struct curl_slist *dav_headers = NULL;
+       struct curl_slist *dav_headers = http_copy_default_headers();
 
        if (options & DAV_HEADER_IF) {
                strbuf_addf(&buf, "If: (<%s>)", lock->token);
@@ -417,7 +417,7 @@ static void start_put(struct transfer_request *request)
 static void start_move(struct transfer_request *request)
 {
        struct active_request_slot *slot;
-       struct curl_slist *dav_headers = NULL;
+       struct curl_slist *dav_headers = http_copy_default_headers();
 
        slot = get_active_slot();
        slot->callback_func = process_response;
@@ -845,7 +845,7 @@ static struct remote_lock *lock_remote(const char *path, long timeout)
        char *ep;
        char timeout_header[25];
        struct remote_lock *lock = NULL;
-       struct curl_slist *dav_headers = NULL;
+       struct curl_slist *dav_headers = http_copy_default_headers();
        struct xml_ctx ctx;
        char *escaped;
 
@@ -1126,7 +1126,7 @@ static void remote_ls(const char *path, int flags,
        struct slot_results results;
        struct strbuf in_buffer = STRBUF_INIT;
        struct buffer out_buffer = { STRBUF_INIT, 0 };
-       struct curl_slist *dav_headers = NULL;
+       struct curl_slist *dav_headers = http_copy_default_headers();
        struct xml_ctx ctx;
        struct remote_ls_ctx ls;
 
@@ -1204,7 +1204,7 @@ static int locking_available(void)
        struct slot_results results;
        struct strbuf in_buffer = STRBUF_INIT;
        struct buffer out_buffer = { STRBUF_INIT, 0 };
-       struct curl_slist *dav_headers = NULL;
+       struct curl_slist *dav_headers = http_copy_default_headers();
        struct xml_ctx ctx;
        int lock_flags = 0;
        char *escaped;

diff --git a/http.c b/http.c
index 4304b80ad3ac9d8ae249bc0bc007074bc5aa6181..985b995c1d05b9a1ae461d6056e14e66b39d563c 100644 (file)
--- a/http.c
+++ b/http.c
@@ -114,6 +114,7 @@ static unsigned long http_auth_methods = CURLAUTH_ANY;
 
 static struct curl_slist *pragma_header;
 static struct curl_slist *no_pragma_header;
+static struct curl_slist *extra_http_headers;
 
 static struct active_request_slot *active_queue_head;
 
@@ -323,6 +324,19 @@ static int http_options(const char *var, const char *value, void *cb)
 #endif
        }
 
+       if (!strcmp("http.extraheader", var)) {
+               if (!value) {
+                       return config_error_nonbool(var);
+               } else if (!*value) {
+                       curl_slist_free_all(extra_http_headers);
+                       extra_http_headers = NULL;
+               } else {
+                       extra_http_headers =
+                               curl_slist_append(extra_http_headers, value);
+               }
+               return 0;
+       }
+
        /* Fall back on the default ones */
        return git_default_config(var, value, cb);
 }
@@ -678,8 +692,10 @@ void http_init(struct remote *remote, const char *url, int proactive_auth)
        if (remote)
                var_override(&http_proxy_authmethod, remote->http_proxy_authmethod);
 
-       pragma_header = curl_slist_append(pragma_header, "Pragma: no-cache");
-       no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:");
+       pragma_header = curl_slist_append(http_copy_default_headers(),
+               "Pragma: no-cache");
+       no_pragma_header = curl_slist_append(http_copy_default_headers(),
+               "Pragma:");
 
 #ifdef USE_CURL_MULTI
        {
@@ -765,6 +781,9 @@ void http_cleanup(void)
 #endif
        curl_global_cleanup();
 
+       curl_slist_free_all(extra_http_headers);
+       extra_http_headers = NULL;
+
        curl_slist_free_all(pragma_header);
        pragma_header = NULL;
 
@@ -1163,6 +1182,16 @@ int run_one_slot(struct active_request_slot *slot,
        return handle_curl_result(results);
 }
 
+struct curl_slist *http_copy_default_headers(void)
+{
+       struct curl_slist *headers = NULL, *h;
+
+       for (h = extra_http_headers; h; h = h->next)
+               headers = curl_slist_append(headers, h->data);
+
+       return headers;
+}
+
 static CURLcode curlinfo_strbuf(CURL *curl, CURLINFO info, struct strbuf *buf)
 {
        char *ptr;
@@ -1380,7 +1409,7 @@ static int http_request(const char *url,
 {
        struct active_request_slot *slot;
        struct slot_results results;
-       struct curl_slist *headers = NULL;
+       struct curl_slist *headers = http_copy_default_headers();
        struct strbuf buf = STRBUF_INIT;
        const char *accept_language;
        int ret;

diff --git a/http.h b/http.h
index 4ef4bbda7d86d8ca5238d45897b277709b30414a..36f558bfb379a990ec4d4aa0d871edd2a6d250a1 100644 (file)
--- a/http.h
+++ b/http.h
@@ -106,6 +106,7 @@ extern void step_active_slots(void);
 extern void http_init(struct remote *remote, const char *url,
                      int proactive_auth);
 extern void http_cleanup(void);
+extern struct curl_slist *http_copy_default_headers(void);
 
 extern long int git_curl_ipresolve;
 extern int active_requests;

diff --git a/remote-curl.c b/remote-curl.c
index 15e48e25fb9fb8cd2e9e3e7a63cf08d2f9483ea2..672b382e5aaf25654f9095e68f45062baed3f397 100644 (file)
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -474,7 +474,7 @@ static int run_slot(struct active_request_slot *slot,
 static int probe_rpc(struct rpc_state *rpc, struct slot_results *results)
 {
        struct active_request_slot *slot;
-       struct curl_slist *headers = NULL;
+       struct curl_slist *headers = http_copy_default_headers();
        struct strbuf buf = STRBUF_INIT;
        int err;
 
@@ -503,7 +503,7 @@ static int probe_rpc(struct rpc_state *rpc, struct slot_results *results)
 static int post_rpc(struct rpc_state *rpc)
 {
        struct active_request_slot *slot;
-       struct curl_slist *headers = NULL;
+       struct curl_slist *headers = http_copy_default_headers();
        int use_gzip = rpc->gzip_request;
        char *gzip_body = NULL;
        size_t gzip_size = 0;

diff --git a/t/lib-httpd/apache.conf b/t/lib-httpd/apache.conf
index 9317ba08582d2a5d06ef5a2a8d8e63c72a146b3b..b8ed96fac6e2e8a371b7caf8716b671585022382 100644 (file)
--- a/t/lib-httpd/apache.conf
+++ b/t/lib-httpd/apache.conf
@@ -102,6 +102,14 @@ Alias /auth/dumb/ www/auth/dumb/
        SetEnv GIT_HTTP_EXPORT_ALL
        Header set Set-Cookie name=value
 </LocationMatch>
+<LocationMatch /smart_headers/>
+       <RequireAll>
+               Require expr %{HTTP:x-magic-one} == 'abra'
+               Require expr %{HTTP:x-magic-two} == 'cadabra'
+       </RequireAll>
+       SetEnv GIT_EXEC_PATH ${GIT_EXEC_PATH}
+       SetEnv GIT_HTTP_EXPORT_ALL
+</LocationMatch>
 ScriptAliasMatch /smart_*[^/]*/(.*) ${GIT_EXEC_PATH}/git-http-backend/$1
 ScriptAlias /broken_smart/ broken-smart-http.sh/
 ScriptAlias /error/ error.sh/

diff --git a/t/t5551-http-fetch-smart.sh b/t/t5551-http-fetch-smart.sh
index 58207d88250f57d448f4e83baf2add3192cb9455..e44fe72c7aa4d670a6796a5c342e8e131fac6a8d 100755 (executable)
--- a/t/t5551-http-fetch-smart.sh
+++ b/t/t5551-http-fetch-smart.sh
@@ -282,5 +282,12 @@ test_expect_success EXPENSIVE 'http can handle enormous ref negotiation' '
        test_line_count = 100000 tags
 '
 
+test_expect_success 'custom http headers' '
+       test_must_fail git fetch "$HTTPD_URL/smart_headers/repo.git" &&
+       git -c http.extraheader="x-magic-one: abra" \
+           -c http.extraheader="x-magic-two: cadabra" \
+           fetch "$HTTPD_URL/smart_headers/repo.git"
+'
+
 stop_httpd
 test_done